BANDC Dual USB Port Power Socket Charger Adapter & Voltmeter Car Camper Caravan Marine 12v 2 port USB Socket Waterproof Design USB Socket I Power Output: DC 5V 1A USB Socket II Power Output: DC 5V 2.1A Standard Nut Installation,Waterproof USB Cap Widely used for cars, trucks cigarette lighter refit parts, can match freely.